Home / 22,287.72-33,199.37-21,104.43

Finding the Fourth Proportional to 22,287.72, 33,199.37 and 21,104.43

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Solution

The fourth proportional to 22,287.72, 33,199.37 and 21,104.43 is: 31,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.72 : 33,199.37 = 21,104.43 : x
  2. Step 2: Convert to fraction form
    22,287.72/33,199.37 = 21,104.43/x
  3. Step 3: Cross multiply
    22,287.72x = 33,199.37 × 21,104.43
  4. Step 4: Simplify right side
    22,287.72x = 700,653,816.08
  5. Step 5: Solve for x
    x = 700,653,816.08/22,287.72
  6. Step 6: Final answer
    x = 31,436.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.